两个“半桥”受力时输出信号的极性相反，而零压时输出信号极性相同。
The output polarities of the two half-bridge are opposite as putting pressure on the sensor, and the output polarities are the same without pressure on the sensor.
一个既方便又一个重要阶段，包括开关，以便适当的低音信号极性被选中。
A convenient and an essential PHASE switch is included to allow for proper subwoofer signal polarity to be selected.
利用双向串行端口，可在软件中进行输入通道选择、增益设置和信号极性配置。
Input channel selection, gain Settings and signal polarity can be configured in software using the bidirectional serial port.
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